340520011 has 4 divisors (see below), whose sum is σ = 366713872. Its totient is φ = 314326152.

The previous prime is 340520009. The next prime is 340520017. The reversal of 340520011 is 110025043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340520011 - 2¹ = 340520009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340520017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13096911 + ... + 13096936.

It is an arithmetic number, because the mean of its divisors is an integer number (91678468).

Almost surely, 2^340520011 is an apocalyptic number.

340520011 is a deficient number, since it is larger than the sum of its proper divisors (26193861).

340520011 is a wasteful number, since it uses less digits than its factorization.

340520011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26193860.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 340520011 is about 18453.1843051545. The cubic root of 340520011 is about 698.3088502469.

Adding to 340520011 its reverse (110025043), we get a palindrome (450545054).

The spelling of 340520011 in words is "three hundred forty million, five hundred twenty thousand, eleven".